Change the default tune frequency on WSJT to something other than 1500 Hz.   
1600 or 1650 Hz.  There is a beat between the ALC indicator and 1500 Hz.  
Appears as a pulsing and makes the level difficult to adjust.  

Bob, K4TAX


Sent from my iPhone

> On Oct 7, 2019, at 4:36 AM, Ken Chandler <g0...@sky.com> wrote:
> 
> Hi guys
> I'm experiencing an issue with my upgraded K3.
> I've just fitted the Elecraft USB option thus replacing my Microham keyer.
> Running Digital modes on DATA A, I cannot get the 4 bar and 5 bar flashing!
> I'm running w10 pro (1903) on a fast i7 Intel Nuc pc.
> I'm hooked up to the correct audio codec mic and speakers for FT8 and N1MM 
> for digital contest modes.
> Anyone with greater knowledge shed some light please!
> 
> Regards
> 
> 
> Ken.. G0ORH
> 
> Sent from my iPad
> 
> 
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